Compositions – Electrically conductive or emissive compositions – Free metal containing
Patent
1980-03-28
1982-01-19
Schofer, Joseph L.
Compositions
Electrically conductive or emissive compositions
Free metal containing
H01B 102
Patent
active
043116159
ABSTRACT:
This invention relates to improved lightweight, high temperature resistent, electrically conductive, palladium containing, polyimide films and methods of preparing same for use in aerodynamic and space application. A palladium (II) ion-containing polyamic acid solution is prepared by reacting an aromatic dianhydride with an equimolar quantity of a palladium II ion-containing salt or complex and the reactant product is cast as a thin film onto a surface and cured at approximately 300.degree. C. to produce a flexible electrically conductive cyclic palladium containing polyimide. The source of palladium ions is selected from the group of palladium II compounds consisting of LiPdCl.sub.4, Pd[S(CH.sub.3).sub.2 ].sub.2 Cl.sub.2,Na.sub.2 PdCl.sub.4, and PdCl.sub.2.
REFERENCES:
patent: 3073784 (1963-01-01), Endrey
patent: 3718488 (1973-02-01), Trofimenko
Carver Vicki C.
Frosch Robert A. Administrator of the National Aeronautics and Space
Furtsch Thomas A.
St. Clair Anne K.
Taylor Larry T.
Manning John R.
Nelson Wallace J.
Osborn Howard J.
Salofim N.
Schofer Joseph L.
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